Electric Traction For three-phase induction motors which of the following is the least efficient method of speed control? Rheostat control Combination of cascade and pole changing Cascade control Pole changing Rheostat control Combination of cascade and pole changing Cascade control Pole changing ANSWER DOWNLOAD EXAMIANS APP
Electric Traction In main line service as compared to urban and suburban service All of the listed here Maximum speed reached is high Distance between the stops is more Acceleration and retardation rates are low All of the listed here Maximum speed reached is high Distance between the stops is more Acceleration and retardation rates are low ANSWER DOWNLOAD EXAMIANS APP
Electric Traction In case of locomotives the tractive power is provided by Double cylinder, double acting steam engine Single stage steam turbine Single cylinder double acting steam engine Double cylinder, single acting steam engine Double cylinder, double acting steam engine Single stage steam turbine Single cylinder double acting steam engine Double cylinder, single acting steam engine ANSWER DOWNLOAD EXAMIANS APP
Electric Traction When a bogie negotiates a curve, reduction in adhesion occurs resulting in sliding. Thus sliding is acute when Wheel base of axles is more Degree of curvature is more None of the listed here Both of the listed here Wheel base of axles is more Degree of curvature is more None of the listed here Both of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The number of passenger coaches that can be attached to a diesel engine locomotive on broad gauge is usually restricted to 10 5 20 15 10 5 20 15 ANSWER DOWNLOAD EXAMIANS APP
Electric Traction For which of the following locomotives the maintenance requirements are the least? Diesel locomotives All of the listed here Steam locomotives Electric locomotives Diesel locomotives All of the listed here Steam locomotives Electric locomotives ANSWER DOWNLOAD EXAMIANS APP
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